Home / 27,998.97-42,002.55-10,230.50

Finding the Fourth Proportional to 27,998.97, 42,002.55 and 10,230.50

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Solution

The fourth proportional to 27,998.97, 42,002.55 and 10,230.50 is: 15,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.97 : 42,002.55 = 10,230.50 : x
  2. Step 2: Convert to fraction form
    27,998.97/42,002.55 = 10,230.50/x
  3. Step 3: Cross multiply
    27,998.97x = 42,002.55 × 10,230.50
  4. Step 4: Simplify right side
    27,998.97x = 429,707,192.78
  5. Step 5: Solve for x
    x = 429,707,192.78/27,998.97
  6. Step 6: Final answer
    x = 15,347.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.